A fundamental difference between gasoline and diesel engines is that a gasoline engine uses spark ignition while a diesel engine uses compression ignition. Before we delve deeper, let's understand how ...

Any certified gearhead knows that diesel engines do not use spark plugs. But why not? If power in an engine is created by combustion or explosion of flammable liquids, won't a spark plug in a diesel ...

Gasoline is more refined than diesel, and ignites more easily and quicker, resulting in more power at the cost of more fuel. Diesel engines have higher compression ratios, combust without spark plugs, ...